CN107863828B - High-efficiency motor for escalator - Google Patents
High-efficiency motor for escalator Download PDFInfo
- Publication number
- CN107863828B CN107863828B CN201711308862.0A CN201711308862A CN107863828B CN 107863828 B CN107863828 B CN 107863828B CN 201711308862 A CN201711308862 A CN 201711308862A CN 107863828 B CN107863828 B CN 107863828B
- Authority
- CN
- China
- Prior art keywords
- stator
- rotor
- substrate
- machine base
- punching sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004080 punching Methods 0.000 claims abstract description 62
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 claims abstract description 7
- 239000000178 monomer Substances 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims description 30
- 238000004804 winding Methods 0.000 claims description 17
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention provides a high-efficiency motor for an escalator, wherein an upper end cover is arranged at the upper end of a machine base, a lower end cover is arranged at the lower end of the machine base, a junction box is fixedly arranged at the top of the machine base, radiating fins are fixedly arranged on the outer peripheral wall of the machine base, a stator is fixedly arranged on the inner peripheral wall of the machine base, a rotating shaft is arranged at the center inside the machine base and penetrates through the upper end and the lower end of the machine base, a rotor is sleeved on the rotating shaft and is opposite to the stator, a radiating fan is arranged at one side, close to the upper end cover, inside the machine base, of the radiating fan, a brake disc is arranged at the lower side of the radiating fan and is fixedly connected with the rotating shaft, wherein the stator is formed by stacking a plurality of stator punching sheets up and down, and the rotor is formed by stacking a plurality of rotor monomers up and down. The rotor and the stator of the invention have simple structure, high anti-interference, high strength and good heat dissipation effect.
Description
Technical Field
The invention relates to the technical field of alternating current motors, in particular to a high-efficiency motor for an escalator.
Background
At present, all the escalators such as shopping malls, subways, stations and the like are driven by adopting alternating current motors, and the alternating current motors are machines for realizing the mutual conversion of mechanical energy and alternating current energy. Ac motors have become the most commonly used motor due to the tremendous development of ac power systems. Compared with a direct current motor, the alternating current motor has simple structure, convenient manufacture, fastness and easy manufacture into a motor with high rotating speed, high voltage, large current and large capacity because of no commutator (see the commutation of the direct current motor). The coverage of ac motor power is large, from a few watts to hundreds of thousands of kilowatts, even millions of kilowatts. The largest turbo generator has reached 150 kilowatts in the beginning of the 80 s of the 20 th century. Ac machines were invented by the american sorbian scientist nigula tesla.
However, the existing motor for the escalator has poor heat dissipation effect, and the compression resistance and the magnetic interference resistance of the rotor and the stator are not ideal.
Disclosure of Invention
Aiming at the problems, the invention aims to provide the efficient motor for the escalator, which has the advantages of simple structure of a rotor and a stator, interference resistance, high strength and good heat dissipation effect.
The technical scheme adopted by the invention for solving the technical problems is as follows: the high-efficiency motor for the escalator is characterized in that an upper end cover is arranged at the upper end of a machine base, a lower end cover is arranged at the lower end of the machine base, a junction box is fixedly arranged at the top of the machine base, radiating fins are fixedly arranged at the outer peripheral wall of the machine base, a stator is fixedly arranged on the inner peripheral wall of the machine base, a rotating shaft is arranged at the inner center of the machine base and penetrates through the upper end and the lower end of the machine base, a rotor is sleeved on the rotating shaft and is arranged opposite to the stator, a radiating fan is arranged at one side, close to the upper end cover, of the interior of the machine base, a brake disc is arranged at the lower side of the radiating fan and is fixedly connected with the rotating shaft, wherein the stator is formed by stacking a plurality of stator punching sheets up and down, each stator punching sheet is octagonal, stator pins are arranged at the inner side of each stator pin, a circular space is formed by the inner cambered surface of the inner side of each stator pin, winding wire grooves are formed between the adjacent stator pins, ventilation holes and mounting holes are formed at two sides of each interval, the mounting holes are symmetrically arranged at two sides of the ventilation holes, and the mounting holes penetrate through the mounting holes and are fixedly connected with the upper punching sheet and the lower punching sheet; the rotor is formed by stacking a plurality of rotor monomers up and down, each rotor monomer comprises a substrate and a plurality of rotor punching sheets, the shape of the substrate is circular, a shaft hole is formed in the center of the substrate, the shape of each rotor punching sheet is fan-shaped, the rotor punching sheets are uniformly and fixedly installed along the circumferential direction of the substrate, the cambered surface on the outer side of each rotor punching sheet is flush with the outer edge of the substrate, each rotor punching sheet is provided with an oval magnetic wire slot, a rotor winding is wound in the magnetic wire slot, two adjacent rotor punching sheets along the circumferential direction of the substrate are connected through a connecting piece, and two adjacent rotor punching sheets along the axial direction of the substrate are connected and installed through a dovetail groove and a dovetail tenon.
Further, the fin comprises a plurality of V type fin fixed connection, the fin evenly sets up on the periphery wall of frame, every be equipped with a plurality of louvres on the V type fin.
Further, the connecting piece is an omega-shaped buckle or a dovetail groove and a dovetail.
Further, after the substrates are overlapped, a certain thickness is formed along the axial direction, axial through grooves are formed in the shaft holes of the substrates, and the rotating shaft penetrates through the axial through grooves.
Furthermore, the rotor punching sheet and the stator punching sheet are made of silicon steel sheets, so that the electromagnetic property and the mechanical processing property are better, and larger magnetic induction intensity can be generated.
The invention has the advantages that: 1. the number of the pins of the stator punching sheet is 8, compared with the existing stator punching sheet, the number of the pins is reduced, the area of the pins is increased, the strength of the pins is relatively increased, the bearing strength is enhanced, and the deformation degree of the stator punching sheet when the working stator of the motor is continuously stressed is further reduced;
2. the rotor is characterized in that the total area of the distribution area of each rotor punching sheet is larger than the total area of the opening area of the magnetic wire grooves by increasing the circumferential area of each rotor punching sheet and reducing the number of the rotor punching sheets, so that the strength of the rotor punching sheets is relatively improved, the rotor punching sheets can bear larger torsion force, and the rotor punching sheets are fixedly installed in the axial direction of the substrate through the insertion of the dovetail grooves and the dovetail tenons, so that the rotor punching sheets are convenient to install, stable in structure, and capable of reducing the magnetic interference of installation pieces such as pins, and the magnetic wire grooves are elliptical, so that the abrasion of rotor windings during winding is reduced;
3. in the prior art, the radiating fins are rectangular and are arranged on the peripheral wall of the machine base at intervals, and the radiating fins are arranged into the V-shaped structure and are mutually connected, and the radiating fins are provided with a plurality of radiating holes, so that the radiating area is increased, the residence time of heat in the V-shaped radiating fins is long, and the radiating effect is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a structural view of a high-efficiency motor for an escalator of the present invention;
fig. 2 is a structural view of a heat sink of the high-efficiency motor for an escalator of the present invention;
fig. 3 is a schematic diagram of a mounting structure of a heat sink of a high-efficiency motor for an escalator of the present invention;
fig. 4 is a schematic structural view of a stator punching sheet of the high-efficiency motor for an escalator of the present invention;
fig. 5 is a schematic structural view of a rotor sheet of the high-efficiency motor for an escalator of the present invention;
fig. 6 is a schematic diagram of connection of rotor punching sheets of the efficient motor for the escalator.
Wherein: 1. a base; 2. an upper end cap; 3. a lower end cap; 4. a rotor; 5. a stator; 6. a heat dissipation fan; 7. a rotating shaft; 8. a heat sink; 9. a brake disc; 10. a junction box; 81. v-shaped radiating fins; 82. a heat radiation hole; 41. a substrate; 42. a shaft hole; 43. rotor punching; 44. magnetic wire groove; 45. a connecting piece; 46. a dovetail groove; 47. a dovetail; 51. stator pins; 52. a heat radiation hole; 53. a mounting hole; 54. a wire winding groove; 55. and a through hole.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 6, an efficient motor for an escalator, wherein the upper end cover 2 is installed at the upper end of the machine base 1, the lower end cover 3 is installed at the lower end of the machine base 1, the junction box 10 is fixedly installed at the top of the machine base 1, the cooling fins 8 are fixedly installed at the peripheral wall of the machine base 1, the stator 5 is fixedly installed on the inner peripheral wall of the machine base 1, the rotating shaft 7 is installed at the inner center of the machine base 1, penetrates through the upper end and the lower end of the machine base 1, the rotor 4 is sleeved on the rotating shaft 7, the cooling fan 6 is installed at one side, close to the upper end cover 2, of the machine base 1, the brake disc 9 is installed at the lower side of the cooling fan 6 and fixedly connected with the rotating shaft 7, wherein the stator 5 is formed by stacking a plurality of stator 5 punching sheets up and down, the shape of each stator 5 punching sheet adopts octagon, pins are arranged on the inner side of each side, a circular space is formed by cambered surface on the inner side of the stator 5, pins are arranged between the adjacent stator 5 pins, the pins form a wire winding groove 54, the stator 5 pins are wound around the pins, the stator 5 winding 5 pins are wound around the stator 5 pins, two side winding holes 53 are arranged on the two sides of the stator 5 punching holes 53, and the stator winding holes 53 are arranged at two sides, and the stator winding holes 53 are fixedly arranged at two sides, and the two sides are fixedly connected with each winding holes 53; the rotor 4 is formed by stacking a plurality of rotor 4 monomers up and down, each rotor 4 monomer is formed by a substrate 41 and a plurality of rotor 4 punching sheets, the shape of the substrate 41 is circular, a shaft hole 42 is formed in the center of the substrate 41, the rotor 4 punching sheets are fan-shaped, the rotor 4 punching sheets are uniformly and fixedly installed along the circumferential direction of the substrate 41, the cambered surface on the outer side of each rotor 4 punching sheet is flush with the outer edge of the substrate 41, each rotor 4 punching sheet is provided with an elliptical magnetic wire groove 44, a rotor 4 winding is wound in the magnetic wire groove 44, two rotor 4 punching sheets adjacent along the circumferential direction of the substrate 41 are connected through a connecting piece 45, and two rotor 4 punching sheets adjacent along the axial direction of the substrate 41 are connected and installed through a dovetail groove 46 and a dovetail 47.
Further, the heat sink 8 is formed by fixedly connecting a plurality of V-shaped heat sinks 818, the heat sink 8 is uniformly disposed on the outer peripheral wall of the base 1, and each V-shaped heat sink 818 is provided with a plurality of heat dissipation holes 5282.
Further, the connection 45 is an omega-shaped buckle or a dovetail and a dovetail.
Further, a plurality of substrates 41 are stacked to form a certain thickness in the axial direction, and shaft holes 42 on the plurality of substrates 41 form axial through grooves through which the rotating shaft 7 passes.
Furthermore, the rotor 4 punching sheet and the stator 5 punching sheet are made of silicon steel sheets.
According to the efficient motor for the escalator, disclosed by the invention, the number of the pins of the stator punching sheet is 8, compared with the existing stator punching sheet, the number of the pins is reduced, the area of the pins is increased, the strength of the pins is relatively increased, the bearing strength is enhanced, and the deformation degree of the stator punching sheet when the working stator of the motor is continuously stressed is further reduced; the rotor is characterized in that the total area of the distribution area of each rotor punching sheet is larger than the total area of the opening area of the magnetic wire grooves by increasing the circumferential area of each rotor punching sheet and reducing the number of the rotor punching sheets, so that the strength of the rotor punching sheets is relatively improved, the rotor punching sheets can bear larger torsion force, and the rotor punching sheets are fixedly installed in the axial direction of the substrate through the insertion of the dovetail grooves and the dovetail tenons, so that the rotor punching sheets are convenient to install, stable in structure, and capable of reducing the magnetic interference of installation pieces such as pins, and the magnetic wire grooves are elliptical, so that the abrasion of rotor windings during winding is reduced; in the prior art, the radiating fins are rectangular and are arranged on the peripheral wall of the machine base at intervals, and the radiating fins are arranged into the V-shaped structure and are mutually connected, and the radiating fins are provided with a plurality of radiating holes, so that the radiating area is increased, the residence time of heat in the V-shaped radiating fins is long, and the radiating effect is better.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (3)
1. An efficient motor for an escalator, comprising: the stator is fixedly arranged on the inner peripheral wall of the stand, the rotating shaft is arranged in the center of the inside of the stand, penetrates through the upper end and the lower end of the stand, the rotor is sleeved on the rotating shaft and is arranged opposite to the stator, the heat dissipation fan is arranged in the side, close to the upper end cover, of the inside of the stand, the brake disc is arranged on the lower side of the heat dissipation fan and is fixedly connected with the rotating shaft, wherein the stator is formed by stacking a plurality of stator punching sheets up and down, each stator punching sheet is in an octagonal shape, stator pins are arranged on the inner side of each side, a circular space is formed by surrounding cambered surfaces on the inner sides of the stator pins, a winding groove is formed between the adjacent stator pins, stator windings are wound on the stator pins, two sides of each stator punching sheet are provided with vent holes and mounting holes which are symmetrically arranged on the two sides of each stator punching sheet, and the mounting holes penetrate through the mounting holes which are symmetrically arranged on the two sides of the mounting holes and are fixedly connected with the rotating shaft; the rotor is formed by stacking a plurality of rotor monomers up and down, each rotor monomer is formed by a substrate and a plurality of rotor punching sheets, the shape of the substrate is circular, a shaft hole is formed in the center of the substrate, the shape of each rotor punching sheet is fan-shaped, the rotor punching sheets are uniformly and fixedly installed along the circumferential direction of the substrate, the cambered surface on the outer side of each rotor punching sheet is flush with the outer edge of the substrate, each rotor punching sheet is provided with an elliptical magnetic wire slot, a rotor winding is wound in each magnetic wire slot, two rotor punching sheets adjacent along the circumferential direction of the substrate are connected through a connecting piece, and two rotor punching sheets adjacent along the axial direction of the substrate are connected and installed through a dovetail groove and a dovetail tenon;
wherein, a certain thickness is formed along the axial direction after a plurality of substrates are overlapped, axial through grooves are formed in the shaft holes on the plurality of substrates, and the rotating shaft penetrates through the axial through grooves; and the rotor punching sheet and the stator punching sheet are made of silicon steel sheets.
2. The efficient motor for the escalator as claimed in claim 1, wherein the heat radiating fins are formed by fixedly connecting a plurality of V-shaped heat radiating fins, the heat radiating fins are uniformly arranged on the peripheral wall of the machine base, and a plurality of heat radiating holes are formed in each V-shaped heat radiating fin.
3. A high efficiency motor for an escalator as claimed in claim 1, wherein said connector is an Ω -shaped buckle or a dovetail and dovetail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308862.0A CN107863828B (en) | 2017-12-11 | 2017-12-11 | High-efficiency motor for escalator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308862.0A CN107863828B (en) | 2017-12-11 | 2017-12-11 | High-efficiency motor for escalator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107863828A CN107863828A (en) | 2018-03-30 |
| CN107863828B true CN107863828B (en) | 2024-01-23 |
Family
ID=61705511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711308862.0A Active CN107863828B (en) | 2017-12-11 | 2017-12-11 | High-efficiency motor for escalator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107863828B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3998694B1 (en) * | 2019-07-09 | 2023-12-20 | Shanxi Electric Motor Manufacturing Co., Ltd. | Stator lamination having slots of unequal size for use in three-phase asynchronous motor having low harmonic wave windings having unequal number of turns |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000116060A (en) * | 1998-09-29 | 2000-04-21 | Nishishiba Electric Co Ltd | Rotating electric machine |
| CN201478941U (en) * | 2009-08-20 | 2010-05-19 | 浙江大成电气有限公司 | Heat dissipation structure for stator of high-power AC permanent magnet servo motor |
| WO2011093200A1 (en) * | 2010-01-29 | 2011-08-04 | 三菱電機株式会社 | Inverter-integrated drive module |
| CN203850973U (en) * | 2014-05-26 | 2014-09-24 | 广东省东莞电机有限公司 | Motor with built-in ventilation structure |
| CN203871991U (en) * | 2014-03-26 | 2014-10-08 | 浙江朝舜机电有限公司 | High efficiency heat radiation motor |
| CN204391926U (en) * | 2015-01-05 | 2015-06-10 | 绍兴市希多电机有限公司 | A kind of rare-earth permanent magnet generator rotor |
| CN207743771U (en) * | 2017-12-11 | 2018-08-17 | 天津市佳利电梯电机有限公司 | A kind of staircase high efficiency motor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9806580B2 (en) * | 2014-08-15 | 2017-10-31 | Lin Engineering, Inc. | Motor having stator assembly with integrated mounting and heat sink features |
| CN107404160A (en) * | 2016-05-18 | 2017-11-28 | 德昌电机(深圳)有限公司 | Motor |
-
2017
- 2017-12-11 CN CN201711308862.0A patent/CN107863828B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000116060A (en) * | 1998-09-29 | 2000-04-21 | Nishishiba Electric Co Ltd | Rotating electric machine |
| CN201478941U (en) * | 2009-08-20 | 2010-05-19 | 浙江大成电气有限公司 | Heat dissipation structure for stator of high-power AC permanent magnet servo motor |
| WO2011093200A1 (en) * | 2010-01-29 | 2011-08-04 | 三菱電機株式会社 | Inverter-integrated drive module |
| CN203871991U (en) * | 2014-03-26 | 2014-10-08 | 浙江朝舜机电有限公司 | High efficiency heat radiation motor |
| CN203850973U (en) * | 2014-05-26 | 2014-09-24 | 广东省东莞电机有限公司 | Motor with built-in ventilation structure |
| CN204391926U (en) * | 2015-01-05 | 2015-06-10 | 绍兴市希多电机有限公司 | A kind of rare-earth permanent magnet generator rotor |
| CN207743771U (en) * | 2017-12-11 | 2018-08-17 | 天津市佳利电梯电机有限公司 | A kind of staircase high efficiency motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107863828A (en) | 2018-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9077234B2 (en) | Vehicle AC generator | |
| CN202513786U (en) | Stator core of motor | |
| CN107863828B (en) | High-efficiency motor for escalator | |
| CN204597743U (en) | Three-phase variable frequency motor and washing machine | |
| CN101951099A (en) | High-performance direct-current (DC) output permanent magnet generator system | |
| CN107359711B (en) | Improved motor punching sheet | |
| CN205356028U (en) | Motor cover forging | |
| CN111682665B (en) | IE5 three-phase asynchronous motor based on unequal-slot punching sheets of stator and cast-aluminum rotor | |
| BR112013013547B1 (en) | PROCESS FOR PRINTING OF VARIOUS COIL SIDES FOR A STATOR, STATOR AND ELECTRICAL MACHINE WINDING. ELECTRICAL | |
| CN207743771U (en) | A kind of staircase high efficiency motor | |
| CN205489866U (en) | Permanent -magnet machine rotor punching | |
| CN208806700U (en) | A kind of electric motor end cap | |
| CN214125022U (en) | Heat radiation structure of three-phase asynchronous motor | |
| CN206349826U (en) | A kind of permagnetic synchronous motor | |
| CN109256879A (en) | A kind of Double-stator motor of ectonexine permanent magnet dislocation | |
| WO2021004250A1 (en) | Ie5 three-phase asynchronous motor based on cast aluminum rotor and stator laminations having slots of unequal size | |
| CN203871991U (en) | High efficiency heat radiation motor | |
| CN206878601U (en) | The variable-frequency motor rotor of easy heat radiation | |
| CN209375272U (en) | A kind of Double-stator motor of ectonexine permanent magnet dislocation | |
| CN208272733U (en) | Rotor punching, skewed pole rotor and motor | |
| CN217307413U (en) | EC permanent magnet motor and rotor thereof | |
| CN214314757U (en) | Stator core of micro motor | |
| CN215186218U (en) | Low temperature rise motor | |
| CN211321050U (en) | Motor heat dissipation frame | |
| CN108599407B (en) | High-efficiency permanent magnet new energy automobile power motor electromagnetic punching sheet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| OL01 | Intention to license declared | ||
| OL01 | Intention to license declared |